Health Reminder MCP Server

#!/usr/bin/env node import { Server } from "@modelcontextprotocol/sdk/server/index.js"; import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js"; import { CallToolRequestSchema, ListToolsRequestSchema, } from "@modelcontextprotocol/sdk/types.js"; import notifier from "node-notifier"; import { readFileSync, existsSync } from "fs"; import { join, dirname } from "path"; import { fileURLToPath } from "url"; // 获取当前文件目录 const __filename = fileURLToPath(import.meta.url); const __dirname = dirname(__filename); // 从配置文件加载默认配置 function loadDefaultConfig() { // 硬编码的默认值 const builtInDefaults = { interval: 30, message: "该起身活动一下了！久坐对健康不利，建议站起来走动走动。", title: "健康提醒", sound: true, }; // 尝试从配置文件读取（优先级：当前目录 > 项目根目录） const configPaths = [ join(process.cwd(), "config.json"), join(__dirname, "..", "..", "config.json"), ]; for (const configPath of configPaths) { if (existsSync(configPath)) { try { const configFile = readFileSync(configPath, "utf-8"); const config = JSON.parse(configFile); if (config.reminder) { console.log(`✓ 已从配置文件加载默认设置: ${configPath}`); return { interval: config.reminder.interval ?? builtInDefaults.interval, message: config.reminder.message ?? builtInDefaults.message, title: config.reminder.title ?? builtInDefaults.title, sound: config.reminder.sound ?? builtInDefaults.sound, }; } } catch (error) { console.warn(`警告: 无法读取配置文件 ${configPath}:`, error); } } } // 从环境变量读取（最高优先级） if (process.env.REMINDER_INTERVAL || process.env.REMINDER_MESSAGE || process.env.REMINDER_TITLE || process.env.REMINDER_SOUND) { console.log("✓ 检测到环境变量配置"); return { interval: process.env.REMINDER_INTERVAL ? parseInt(process.env.REMINDER_INTERVAL) : builtInDefaults.interval, message: process.env.REMINDER_MESSAGE ?? builtInDefaults.message, title: process.env.REMINDER_TITLE ?? builtInDefaults.title, sound: process.env.REMINDER_SOUND ? process.env.REMINDER_SOUND === "true" : builtInDefaults.sound, }; } console.log("ℹ 使用内置默认配置"); return builtInDefaults; } // 默认配置 const defaultConfig = loadDefaultConfig(); // 当前活动的提醒定时器 let reminderTimer = null; let currentConfig = { ...defaultConfig }; // 创建 MCP Server const server = new Server({ name: "health-reminder-server", version: "1.0.0", }, { capabilities: { tools: {}, }, }); // 发送系统通知 function sendNotification(config) { notifier.notify({ title: config.title, message: config.message, sound: config.sound, wait: false, timeout: 10, }); console.log(`[${new Date().toLocaleString()}] 已发送提醒: ${config.message}`); } // 启动提醒定时器 function startReminder(config) { // 清除现有定时器 if (reminderTimer) { clearInterval(reminderTimer); } currentConfig = { ...config }; const intervalMs = config.interval * 60 * 1000; // 立即发送一次通知 sendNotification(config); // 设置定时器 reminderTimer = setInterval(() => { sendNotification(config); }, intervalMs); console.log(`✓ 健康提醒已启动 - 每 ${config.interval} 分钟提醒一次`); } // 停止提醒定时器 function stopReminder() { if (reminderTimer) { clearInterval(reminderTimer); reminderTimer = null; console.log("✓ 健康提醒已停止"); return true; } return false; } // 获取当前状态 function getReminderStatus() { return { active: reminderTimer !== null, config: currentConfig, }; } // 定义可用工具 const tools = [ { name: "start_reminder", description: "启动健康提醒定时器，每隔指定时间弹出系统通知", inputSchema: { type: "object", properties: { interval: { type: "number", description: "提醒间隔时间（分钟），默认 30 分钟", default: 30, }, message: { type: "string", description: "提醒消息内容", default: "该起身活动一下了！久坐对健康不利，建议站起来走动走动。", }, title: { type: "string", description: "通知标题", default: "健康提醒", }, sound: { type: "boolean", description: "是否播放提示音", default: true, }, }, }, }, { name: "stop_reminder", description: "停止健康提醒定时器", inputSchema: { type: "object", properties: {}, }, }, { name: "get_status", description: "获取当前健康提醒的状态和配置", inputSchema: { type: "object", properties: {}, }, }, { name: "send_immediate_reminder", description: "立即发送一次健康提醒通知（不影响定时器）", inputSchema: { type: "object", properties: { message: { type: "string", description: "提醒消息内容", default: "该起身活动一下了！", }, title: { type: "string", description: "通知标题", default: "健康提醒", }, sound: { type: "boolean", description: "是否播放提示音", default: true, }, }, }, }, ]; // 处理工具列表请求 server.setRequestHandler(ListToolsRequestSchema, async () => { return { tools }; }); // 处理工具调用请求 server.setRequestHandler(CallToolRequestSchema, async (request) => { const { name, arguments: args } = request.params; try { switch (name) { case "start_reminder": { const config = { interval: args?.interval || defaultConfig.interval, message: args?.message || defaultConfig.message, title: args?.title || defaultConfig.title, sound: args?.sound !== undefined ? args.sound : defaultConfig.sound, }; startReminder(config); return { content: [ { type: "text", text: JSON.stringify({ success: true, message: `健康提醒已启动！每 ${config.interval} 分钟将收到提醒通知。`, config: config, }, null, 2), }, ], }; } case "stop_reminder": { const stopped = stopReminder(); return { content: [ { type: "text", text: JSON.stringify({ success: stopped, message: stopped ? "健康提醒已停止" : "当前没有运行中的提醒", }, null, 2), }, ], }; } case "get_status": { const status = getReminderStatus(); return { content: [ { type: "text", text: JSON.stringify({ success: true, status: status.active ? "运行中" : "已停止", active: status.active, config: status.config, }, null, 2), }, ], }; } case "send_immediate_reminder": { const config = { message: args?.message || "该起身活动一下了！", title: args?.title || "健康提醒", sound: args?.sound !== undefined ? args.sound : true, interval: 0, // 不使用 }; sendNotification(config); return { content: [ { type: "text", text: JSON.stringify({ success: true, message: "已发送即时提醒通知", }, null, 2), }, ], }; } default: throw new Error(`未知工具: ${name}`); } } catch (error) { return { content: [ { type: "text", text: JSON.stringify({ success: false, error: error instanceof Error ? error.message : String(error), }, null, 2), }, ], isError: true, }; } }); // 启动服务器 async function main() { console.log("================================="); console.log(" 健康提醒 MCP Server 启动中..."); console.log("================================="); console.log(""); console.log("📋 当前默认配置:"); console.log(` • 间隔时间: ${defaultConfig.interval} 分钟`); console.log(` • 标题: ${defaultConfig.title}`); console.log(` • 消息: ${defaultConfig.message.substring(0, 30)}${defaultConfig.message.length > 30 ? '...' : ''}`); console.log(` • 提示音: ${defaultConfig.sound ? '开启' : '关闭'}`); console.log(""); const transport = new StdioServerTransport(); await server.connect(transport); console.log("✓ MCP Server 已就绪"); console.log("✓ 支持的工具:"); console.log(" - start_reminder: 启动健康提醒"); console.log(" - stop_reminder: 停止提醒"); console.log(" - get_status: 查看状态"); console.log(" - send_immediate_reminder: 立即发送提醒"); console.log("================================="); } // 优雅退出 process.on("SIGINT", () => { console.log("\n正在关闭服务器..."); stopReminder(); process.exit(0); }); process.on("SIGTERM", () => { console.log("\n正在关闭服务器..."); stopReminder(); process.exit(0); }); main().catch((error) => { console.error("服务器启动失败:", error); process.exit(1); }); //# sourceMappingURL=index.js.map